German Language LLM Index
a PeerBench project

Individual experiment result

ScaLA (DE)

GLM-5.1 Z.ai

Matthews correlation coefficient reasoning off fp8
69.9%
Matthews correlation coefficient

Run details

Date
2026-06-09
Test cases
2,048
Median latency
1.69s
Total cost
$2.57
Avg. prompt tokens
901.6
Avg. answer tokens
2.5
Avg. reasoning tokens
Quantization
fp8

About this benchmark

Native German linguistic acceptability — is the sentence grammatical (ja/nein)? generate_until; primary metric MCC (accuracy recorded as secondary).

Binary acceptability native · Native German Source ↗

Provenance

Canonical model
z-ai/glm-5.1
Run ID
2026-06-09T15-44-40__openrouter__z-ai__glm-5.1__scala_de